Pen or similar article



FIG. 1 is a front top perspective view of a pen or similar article showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is an exploded right side elevational view thereof, the left side being the same in appearance as the side shown;

FIG. 7 is a front elevational view thereof without the cap;

FIG. 8 is a top plan view thereof without the cap; and

FIG. 9 is a rear elevational view thereof without the cap. 

The ornamental design for a pen or similar article, substantially as shown and described. 